/*
  @author: 13813
  @date: 2024/11/7 16:05
*/
public class IfDemo04 {
    public static void main(String[] args) {
        //嵌套
        int score = 76;
        if (score >= 80) {
            if (score >= 90) {
                System.out.println("优秀");
            } else {
                System.out.println("良好");
            }
        } else {
            //小于80
            if (score >= 70) {
                System.out.println("一般");
            } else {
                System.out.println("及格");
            }
        }
        char ch = 'a' + 1;
        System.out.println(ch);
    }
}
